J Radiol
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Pelvic actinomycosis is uncommon and usually responsible for tubo-ovarian abscesses which are similar in aspect with nonactinomycotic abscesses. They are usually a complication of an intra-uterine device (IUD) that can be absent as in this case. ⋯ The role of the dynamic CT scan for differential diagnosis in this case is presented. Preoperative diagnosis in this affection is important because of the excellent response to Penicillin.